pandas.core.groupby.DataFrameGroupBy.diff

DataFrameGroupBy.diff(periods=1, axis=0)

1st discrete difference of object

Parameters:

periods : int, default 1

Periods to shift for forming difference

axis : {0 or ‘index’, 1 or ‘columns’}, default 0

Take difference over rows (0) or columns (1).

Returns:

diffed : DataFrame